QGIS API Documentation  3.20.0-Odense (decaadbb31)
qgsclassificationjenks.h
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1 /***************************************************************************
2  qgsclassificationjenks.h
3  ---------------------
4  begin : September 2019
5  copyright : (C) 2019 by Denis Rouzaud
6  email : [email protected]
7  ***************************************************************************
8  * *
9  * This program is free software; you can redistribute it and/or modify *
10  * it under the terms of the GNU General Public License as published by *
11  * the Free Software Foundation; either version 2 of the License, or *
12  * (at your option) any later version. *
13  * *
14  ***************************************************************************/
15 
16 #ifndef QGSCLASSIFICATIONJENKS_H
17 #define QGSCLASSIFICATIONJENKS_H
18 
19 #include "qgis_core.h"
21 
29 {
30  public:
32 
33  QString name() const override;
34  QString id() const override;
35  QgsClassificationMethod *clone() const override;
36  QIcon icon() const override;
37 
38  private:
39  QList<double> calculateBreaks( double &minimum, double &maximum,
40  const QList<double> &values, int nclasses ) override;
41 
42  int mMaximumSize = 3000;
43 };
44 
45 #endif // QGSCLASSIFICATIONJENKS_H
QgsClassificationJenks is an implementation of QgsClassificationMethod for natural breaks based on Je...
QgsClassificationMethod is an abstract class for implementations of classification methods.
virtual QString id() const =0
The id of the method as saved in the project, must be unique in registry.
virtual QgsClassificationMethod * clone() const =0
Returns a clone of the method.
virtual QString name() const =0
The readable and translate name of the method.
virtual QIcon icon() const
The icon of the method.